You're seeing this because you left the search box empty.
How to do a Job Search?
On the Find (first) box located on the top enter what type of job or what industry you are looking for (e.g. engineering, teaching, advertising, hospitality). On the Zip (second) box enter your zip code or city (e.g. 92456, 10003). On the bottom of the search box click the button "Jobs".
Currently you are in the Job Search page. Alternatively, when you are in the search page just fill the Find and Zip box and hit "Enter" on your keyboard.
*Keyboard shortcut ALT+J.